SIT9005ACU1G-30DN

Series:	SIT9005
Part Status:	Active
Base Resonator:	MEMS
Type:	SSXO
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Available Frequency Range:	1MHz ~ 141MHz
Function:	--
Output:	LVCMOS
Voltage - Supply:	3V
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Frequency Stability (Total):	--
Operating Temperature:	-20°C ~ 70°C
Spread Spectrum Bandwidth:	-3.71%, Down Spread
Current - Supply (Max):	6.5mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Height:	0.030" (0.76mm)

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Introduction

Programmable oscillators are an important part of today\'s technological world as they are used in a variety of applications ranging from testing equipment for military and aerospace applications to controlling the timing of waveforms in various consumer electronics products. One of the most popular types of programmable oscillators is the SIT9005ACU1G-30DN, which offers precision control and stability for those requiring 100% reliable operation in high-speed data rate applications. This paper will discuss the application field and working principle of the SIT9005ACU1G-30DN.

Application Field

The SIT9005ACU1G-30DN offers excellent performance and stability, making it suitable for a variety of applications such as telecommunications and long haul data transmission, computing, broadcasting and general IEEE bus control. It is an ideal solution for those with tight timing requirements who need reliable performance in extreme operating conditions and extended temperature ranges. Furthermore, its special chips provide wide bandwidth tuning range, low cost and low jitter performance, allowing users to achieve pin for pin replacement of fixed frequency crystals without sacrificing performance or reliability.

Working Principle

The SIT9005ACU1G-30DN works by using a fixed frequency crystal oscillator as its reference oscillator. The output of the reference oscillator is then divided down using a divider circuit and compared to a number of internal run counter values. This produces a continuous output which is the frequency of the reference oscillator modified by the divider circuit. The output frequency can be changed and adjusted by varying the input to the divider circuit.The SIT9005ACU1G-30DN also features a PLL (phase locked loop) circuitry, which allows it to actively adjust the output frequency to compensate for temperature drift and other frequency changes. The PLL compares the output frequency with the reference frequency and adjusts the divider circuit until they match, ensuring that the output frequency is always accurate.

Conclusion

The SIT9005ACU1G-30DN is an excellent choice for those with tight timing requirements who need reliable performance in extreme operating conditions and extended temperature ranges. Its wide tuning range and high frequency stability make it ideal for applications such as telecommunications, long haul data transmission, computing, broadcasting and general IEEE bus control. Furthermore, its low cost and low jitter performance make it an ideal choice for those wanting to replace fixed frequency crystals without sacrificing performance or reliability.

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